aidan_example

aidan.ipynb

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   "source": [
    "# setting up some dummy resources\n",
    "resource_1 = {'search_facets': {},  'resource_id': 'igw-0b1f2c55bbf81caed', 'resource_name': 'igw-0b1f2c55bbf81caed', 'id': 1, 'arn': 'arn:aws:ec2:ca-central-1:046748839470:internet-gateway/igw-0b1f2c55bbf81caed', 'aws_region_id': 1}\n",
    "resource_2 = {'search_facets': {},  'resource_id': 'igw-0b1f2c55bbf81caee', 'resource_name': 'igw-0b1f2c55bbf81caee', 'id': 1, 'arn': 'arn:aws:ec2:us-west-1:046748839470:internet-gateway/igw-0b1f2c55bbf81caee', 'aws_region_id': 2}\n",
    "resource_3 = {'search_facets': {},  'resource_id': 'igw-0b1f2c55bbf81caef', 'resource_name': 'igw-0b1f2c55bbf81caef', 'id': 1, 'arn': 'arn:aws:ec2:us-west-1:046748839470:internet-gateway/igw-0b1f2c55bbf81caef', 'aws_region_id': 2}\n",
    "\n",
    "\n",
    "# list_1 is an example of something you'd get from a db.session.query() call\n",
    "list_1 = [resource_2, resource_3]\n",
    "# list_2 would be an example of something you'd get from a collection (just note that it's different)\n",
    "list_2 = ['igw-0b1f2c55bbf81caef', 'igw-0b1f2c55bbf81caee']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
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     "text": [
      "['igw-0b1f2c55bbf81caee', 'igw-0b1f2c55bbf81caef']\n",
      "['igw-0b1f2c55bbf81caef', 'igw-0b1f2c55bbf81caee']\n"
     ]
    }
   ],
   "source": [
    "# list_1_mapped is using list comprehension to reduce the big scary dicts down into something manageable (ie - the resource id) \n",
    "list_1_mapped = [x['resource_id'] for x in list_1]\n",
    "\n",
    "# note we have two lists of resource id's now\n",
    "print(list_1_mapped)\n",
    "print(list_2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "AssertionError!!!\n"
     ]
    }
   ],
   "source": [
    "# However, we can't just compare assert they are the same\n",
    "try:\n",
    "    assert list_1_mapped == list_2\n",
    "except AssertionError:\n",
    "    print(\"AssertionError!!!\") "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 39,
   "metadata": {},
   "outputs": [],
   "source": [
    "# sorted is an easy way to do this\n",
    "assert sorted(list_1_mapped) == sorted(list_2)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [],
   "source": [
    "# if you don't care about duplicates, you can also wrap them in a set. Set is just a list with duplicates removed\n",
    "list_3 = [1,2,3,4,5,5,5,5,4,2,1,2]\n",
    "list_4 = [1,2,3,4,5]\n",
    "\n",
    "assert sorted(set(list_3)) == sorted(set(list_4))\n"
   ]
  }
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